sik1

Jyutpingsik1
Yalesīk
動詞Very common

Definition

To turn off, extinguish, or put out.

  1. to turn off an electrical appliance, light, engine, or device
  2. to extinguish or put out a fire or light
colloquialdaily actionshome

How it's used

Use this verb for anything that requires power or fuel to function, such as lights, engines, or electronic devices. It is the standard way to say turn off in a functional sense, whereas 關 is more often used for closing doors, windows, or apps. You will frequently hear it used with 咗 to indicate the action has been completed.

Examples

Remember to turn off the light when you leave.

Related words

Common phrases

turn off the lights
turn off the stove or engine

Common mistake

Learners often confuse 熄 with 關. While 關 can sometimes be used for lights, 熄 is specifically for extinguishing a flame or cutting off the power supply to an electrical device.

Grammar color guide

Noun
Verb
Adjective
Adverb
Pronoun
Classifier
Particle
Connector